82155822460084 has 12 divisors (see below), whose sum is σ = 144575888688000. Its totient is φ = 40848425692088.

The previous prime is 82155822460081. The next prime is 82155822460111. The reversal of 82155822460084 is 48006422855128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82155822460081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57371383684 + ... + 57371385115.

It is an arithmetic number, because the mean of its divisors is an integer number (12047990724000).

Almost surely, 2^{82155822460084} is an apocalyptic number.

It is an amenable number.

82155822460084 is a deficient number, since it is larger than the sum of its proper divisors (62420066227916).

82155822460084 is a wasteful number, since it uses less digits than its factorization.

82155822460084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114742768982 (or 114742768980 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 55.

The spelling of 82155822460084 in words is "eighty-two trillion, one hundred fifty-five billion, eight hundred twenty-two million, four hundred sixty thousand, eighty-four".